GREGORY RYAN LEWIS CRNA
NPI 1588901425
Nurse Anesthetist, Certified Registered in Spruce Pine, NC
About Gregory Ryan Lewis Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY RYAN LEWIS CRNA (NPI 1588901425) is an individual nurse anesthetist, certified registered in Spruce Pine, North Carolina, licensed in North Carolina (258041) and active in the NPI registry since January 2013. He is enrolled in Medicare PECOS, is affiliated with Ephraim Mcdowell Regional Medical Center, and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Gregory Ryan Lewis Crna is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
17Medicare enrollment records show Gregory Lewis reassigns Medicare billing to 17 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Somerset, KY 42503
- Reassigned Medicare billing, Kentucky enrollment
- 247 clinicians in this Medicare group
Alpharetta, GA 30005
- Reassigned Medicare billing, Georgia enrollment
- 82 clinicians in this Medicare group
Alpharetta, GA 30005
- Reassigned Medicare billing, Georgia enrollment
- 88 clinicians in this Medicare group
Alpharetta, GA 30005
- Reassigned Medicare billing, Georgia enrollment
- 91 clinicians in this Medicare group
Macon, GA 31201
- Reassigned Medicare billing, Georgia enrollment
- 77 clinicians in this Medicare group
Macon, GA 31201
- Reassigned Medicare billing, Georgia enrollment
- 83 clinicians in this Medicare group
Macon, GA 31201
- Reassigned Medicare billing, Florida enrollment
- 142 clinicians in this Medicare group
Macon, GA 31201
- Reassigned Medicare billing, Georgia enrollment
- 63 clinicians in this Medicare group
Macon, GA 31201
- Reassigned Medicare billing, Georgia enrollment
- 91 clinicians in this Medicare group
Macon, GA 31201
- Reassigned Medicare billing, Georgia enrollment
- 37 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ephraim Mcdowell Regional Medical Center
Acute Care Hospitals · Danville, KYEphraim Mcdowell Fort Logan Hospital
Critical Access Hospitals · Stanford, KYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 28777 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SPRUCE PINE, NC 28777
SPRUCE PINE, NC 28777
SPRUCE PINE, NC 28777
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Gregory Lewis's NPI number?
The NPI number for Gregory Lewis is 1588901425. It was assigned to this individual provider in the NPPES registry on January 11, 2013.
Where is Gregory Lewis located?
Gregory Lewis practices at 125 Hospital Dr, Spruce Pine, NC 28777. The listed phone number is (828) 765-4201.
What is Gregory Lewis's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Gregory Lewis enrolled in Medicare?
Yes. Gregory Lewis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Gregory Lewis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Lewis reassigns Medicare benefits to 17 organizations: Ephraim Mcdowell Health Resource, Inc. (Somerset, KY), Sweet Dreams Nurse Anesthesia, Inc. (Alpharetta, GA), Sweet Dreams Nurse Anesthesiology LLC (Alpharetta, GA), Synergy Anesthesiology Inc (Alpharetta, GA), Grand Anesthesia LLC (Macon, GA) and 12 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gregory Lewis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregory Lewis accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan and Ambetter of Tennessee list Gregory Lewis as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Gregory Lewis affiliated with any hospitals?
According to CMS data, Gregory Lewis is affiliated with Ephraim Mcdowell Regional Medical Center and Ephraim Mcdowell Fort Logan Hospital.
When was this NPI record last updated?
The NPPES record for Gregory Lewis was last updated on January 11, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Gregory Ryan Lewis, CRNA · NPI 1588901425
Nurse Anesthetist, Certified Registered physician in Spruce Pine, North Carolina. Individual provider, active in the CMS NPPES registry since January 11, 2013.
## Identity
- **NPI:** 1588901425 (Entity type: Individual)
- **Enumerated:** January 11, 2013
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 258041 (North Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 125 HOSPITAL DR, Spruce Pine, NC 28777-3035
- **Phone:** (828) 765-4201
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 17 organizations under Medicare reassignment (form CMS-855R): Ephraim Mcdowell Health Resource, Inc. (NPI 1528911609, Somerset, KY); Sweet Dreams Nurse Anesthesia, Inc. (NPI 1649463365, Alpharetta, GA); Sweet Dreams Nurse Anesthesiology LLC (NPI 1891005989, Alpharetta, GA); Synergy Anesthesiology Inc (NPI 1003040502, Alpharetta, GA); Grand Anesthesia LLC (NPI 1689230724, Macon, GA); and 12 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** January 11, 2013
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Source: [NPI Profile](https://npiprofile.com/npi/1588901425) · Data from the CMS NPPES public registry.